The GAS GAS MC 250F is a four-stroke motocross bike from GAS GAS, now part of the KTM group. It uses a liquid-cooled 249.9cc single and shares much of its engineering with the KTM 250 SX-F.
It suits racers who want a competitive 250 at a lower price. Rivals include the Yamaha YZ250F and Honda CRF250R.